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답안 #210906

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
210906 2020-03-19T01:56:52 Z Kevin_Zhang_TW Arranging Shoes (IOI19_shoes) C++17
100 / 100
 126 ms 19836 KB 
#include "shoes.h"
#include<bits/stdc++.h>
#define pb emplace_back
using namespace std;
const int maxn = 200100;
using ll = long long;
int v[maxn], n;
bool used[maxn];
void add(int i, int d) {
	for (;i <= n;i += i & -i) v[i] += d;
}
int query(int i) {
	int res = 0;
	for (;i;i ^= i & -i) res += v[i];
	return res;
}
vector<int> pos[2][maxn];
long long count_swaps(std::vector<int> s) {
	ll res = 0;
	n = s.size();
	fill(used, used + n + 1, false);
	fill(v, v + n + 1, 0);
	for (int i = 0;i <= n;++i)
	   	pos[0][i].clear(), pos[1][i].clear();

	for (int i = n-1;i >= 0;--i) 
		pos[s[i] > 0][ abs(s[i]) ].pb(i);
	for (int i = 0;i < n;++i) if (!used[i]) {
		pos[s[i] > 0][ abs(s[i]) ].pop_back();
		vector<int> &v = pos[s[i] < 0][ abs(s[i]) ];

		res += (v.back()-i-1) - (query(v.back()-1) - query(i)) + (s[i] > 0);
		used[ v.back() ] = true;
		add( v.back(), 1);
	
		v.pop_back();
	}
	return res;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 9728 KB Output is correct
2 Correct 10 ms 9728 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 9728 KB Output is correct
2 Correct 10 ms 9728 KB Output is correct
3 Correct 10 ms 9728 KB Output is correct
4 Correct 11 ms 9728 KB Output is correct
5 Correct 10 ms 9728 KB Output is correct
6 Correct 11 ms 9728 KB Output is correct
7 Correct 12 ms 9728 KB Output is correct
8 Correct 9 ms 9728 KB Output is correct
9 Correct 13 ms 9728 KB Output is correct
10 Correct 11 ms 9728 KB Output is correct
11 Correct 10 ms 9728 KB Output is correct
12 Correct 10 ms 9728 KB Output is correct
13 Correct 11 ms 9728 KB Output is correct
14 Correct 10 ms 9728 KB Output is correct
15 Correct 10 ms 9728 KB Output is correct
16 Correct 11 ms 9728 KB Output is correct
17 Correct 10 ms 9728 KB Output is correct
18 Correct 9 ms 9728 KB Output is correct
19 Correct 9 ms 9728 KB Output is correct
20 Correct 10 ms 9728 KB Output is correct
21 Correct 11 ms 9728 KB Output is correct
22 Correct 10 ms 9728 KB Output is correct
23 Correct 16 ms 9772 KB Output is correct
24 Correct 11 ms 9728 KB Output is correct
25 Correct 10 ms 9728 KB Output is correct
26 Correct 10 ms 9728 KB Output is correct
27 Correct 10 ms 9728 KB Output is correct
28 Correct 10 ms 9728 KB Output is correct
29 Correct 11 ms 9728 KB Output is correct
30 Correct 10 ms 9728 KB Output is correct
31 Correct 11 ms 9728 KB Output is correct
32 Correct 10 ms 9728 KB Output is correct
33 Correct 11 ms 9728 KB Output is correct
34 Correct 11 ms 9728 KB Output is correct
35 Correct 11 ms 9728 KB Output is correct
36 Correct 11 ms 9728 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 9728 KB Output is correct
2 Correct 10 ms 9728 KB Output is correct
3 Correct 10 ms 9728 KB Output is correct
4 Correct 10 ms 9728 KB Output is correct
5 Correct 11 ms 9728 KB Output is correct
6 Correct 10 ms 9728 KB Output is correct
7 Correct 10 ms 9728 KB Output is correct
8 Correct 11 ms 9728 KB Output is correct
9 Correct 10 ms 9728 KB Output is correct
10 Correct 11 ms 9728 KB Output is correct
11 Correct 11 ms 9728 KB Output is correct
12 Correct 11 ms 9728 KB Output is correct
13 Correct 10 ms 9772 KB Output is correct
14 Correct 10 ms 9728 KB Output is correct
15 Correct 11 ms 9728 KB Output is correct
16 Correct 10 ms 9728 KB Output is correct
17 Correct 11 ms 9728 KB Output is correct
18 Correct 10 ms 9856 KB Output is correct
19 Correct 13 ms 9600 KB Output is correct
20 Correct 14 ms 10240 KB Output is correct
21 Correct 14 ms 10240 KB Output is correct
22 Correct 49 ms 13576 KB Output is correct
23 Correct 47 ms 14588 KB Output is correct
24 Correct 50 ms 14492 KB Output is correct
25 Correct 49 ms 14448 KB Output is correct
26 Correct 54 ms 14576 KB Output is correct
27 Correct 46 ms 14324 KB Output is correct
28 Correct 48 ms 14704 KB Output is correct
29 Correct 48 ms 14704 KB Output is correct
30 Correct 47 ms 14704 KB Output is correct
31 Correct 52 ms 14476 KB Output is correct
32 Correct 47 ms 14708 KB Output is correct
33 Correct 46 ms 14576 KB Output is correct
34 Correct 56 ms 14704 KB Output is correct
35 Correct 11 ms 9728 KB Output is correct
36 Correct 10 ms 9728 KB Output is correct
37 Correct 49 ms 14704 KB Output is correct
38 Correct 51 ms 14704 KB Output is correct
39 Correct 49 ms 14704 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 9728 KB Output is correct
2 Correct 10 ms 9728 KB Output is correct
3 Correct 10 ms 9728 KB Output is correct
4 Correct 10 ms 9728 KB Output is correct
5 Correct 80 ms 19064 KB Output is correct
6 Correct 67 ms 15096 KB Output is correct
7 Correct 75 ms 19832 KB Output is correct
8 Correct 50 ms 14520 KB Output is correct
9 Correct 94 ms 19832 KB Output is correct
10 Correct 82 ms 16760 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 9728 KB Output is correct
2 Correct 10 ms 9728 KB Output is correct
3 Correct 10 ms 9728 KB Output is correct
4 Correct 11 ms 9728 KB Output is correct
5 Correct 10 ms 9728 KB Output is correct
6 Correct 11 ms 9728 KB Output is correct
7 Correct 12 ms 9728 KB Output is correct
8 Correct 9 ms 9728 KB Output is correct
9 Correct 13 ms 9728 KB Output is correct
10 Correct 11 ms 9728 KB Output is correct
11 Correct 10 ms 9728 KB Output is correct
12 Correct 10 ms 9728 KB Output is correct
13 Correct 11 ms 9728 KB Output is correct
14 Correct 10 ms 9728 KB Output is correct
15 Correct 10 ms 9728 KB Output is correct
16 Correct 11 ms 9728 KB Output is correct
17 Correct 10 ms 9728 KB Output is correct
18 Correct 9 ms 9728 KB Output is correct
19 Correct 9 ms 9728 KB Output is correct
20 Correct 10 ms 9728 KB Output is correct
21 Correct 11 ms 9728 KB Output is correct
22 Correct 10 ms 9728 KB Output is correct
23 Correct 16 ms 9772 KB Output is correct
24 Correct 11 ms 9728 KB Output is correct
25 Correct 10 ms 9728 KB Output is correct
26 Correct 10 ms 9728 KB Output is correct
27 Correct 10 ms 9728 KB Output is correct
28 Correct 10 ms 9728 KB Output is correct
29 Correct 11 ms 9728 KB Output is correct
30 Correct 10 ms 9728 KB Output is correct
31 Correct 11 ms 9728 KB Output is correct
32 Correct 10 ms 9728 KB Output is correct
33 Correct 11 ms 9728 KB Output is correct
34 Correct 11 ms 9728 KB Output is correct
35 Correct 11 ms 9728 KB Output is correct
36 Correct 11 ms 9728 KB Output is correct
37 Correct 9 ms 9728 KB Output is correct
38 Correct 10 ms 9728 KB Output is correct
39 Correct 10 ms 9728 KB Output is correct
40 Correct 10 ms 9728 KB Output is correct
41 Correct 11 ms 9856 KB Output is correct
42 Correct 10 ms 9856 KB Output is correct
43 Correct 11 ms 9856 KB Output is correct
44 Correct 11 ms 9856 KB Output is correct
45 Correct 11 ms 9856 KB Output is correct
46 Correct 10 ms 9728 KB Output is correct
47 Correct 11 ms 9728 KB Output is correct
48 Correct 11 ms 9728 KB Output is correct
49 Correct 11 ms 9856 KB Output is correct
50 Correct 11 ms 9728 KB Output is correct
51 Correct 11 ms 9728 KB Output is correct
52 Correct 10 ms 9856 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 9728 KB Output is correct
2 Correct 10 ms 9728 KB Output is correct
3 Correct 10 ms 9728 KB Output is correct
4 Correct 11 ms 9728 KB Output is correct
5 Correct 10 ms 9728 KB Output is correct
6 Correct 11 ms 9728 KB Output is correct
7 Correct 12 ms 9728 KB Output is correct
8 Correct 9 ms 9728 KB Output is correct
9 Correct 13 ms 9728 KB Output is correct
10 Correct 11 ms 9728 KB Output is correct
11 Correct 10 ms 9728 KB Output is correct
12 Correct 10 ms 9728 KB Output is correct
13 Correct 11 ms 9728 KB Output is correct
14 Correct 10 ms 9728 KB Output is correct
15 Correct 10 ms 9728 KB Output is correct
16 Correct 11 ms 9728 KB Output is correct
17 Correct 10 ms 9728 KB Output is correct
18 Correct 9 ms 9728 KB Output is correct
19 Correct 9 ms 9728 KB Output is correct
20 Correct 10 ms 9728 KB Output is correct
21 Correct 11 ms 9728 KB Output is correct
22 Correct 10 ms 9728 KB Output is correct
23 Correct 16 ms 9772 KB Output is correct
24 Correct 11 ms 9728 KB Output is correct
25 Correct 10 ms 9728 KB Output is correct
26 Correct 10 ms 9728 KB Output is correct
27 Correct 10 ms 9728 KB Output is correct
28 Correct 10 ms 9728 KB Output is correct
29 Correct 11 ms 9728 KB Output is correct
30 Correct 10 ms 9728 KB Output is correct
31 Correct 11 ms 9728 KB Output is correct
32 Correct 10 ms 9728 KB Output is correct
33 Correct 11 ms 9728 KB Output is correct
34 Correct 11 ms 9728 KB Output is correct
35 Correct 11 ms 9728 KB Output is correct
36 Correct 11 ms 9728 KB Output is correct
37 Correct 10 ms 9728 KB Output is correct
38 Correct 10 ms 9728 KB Output is correct
39 Correct 11 ms 9728 KB Output is correct
40 Correct 10 ms 9728 KB Output is correct
41 Correct 10 ms 9728 KB Output is correct
42 Correct 11 ms 9728 KB Output is correct
43 Correct 10 ms 9728 KB Output is correct
44 Correct 11 ms 9728 KB Output is correct
45 Correct 11 ms 9728 KB Output is correct
46 Correct 11 ms 9728 KB Output is correct
47 Correct 10 ms 9772 KB Output is correct
48 Correct 10 ms 9728 KB Output is correct
49 Correct 11 ms 9728 KB Output is correct
50 Correct 10 ms 9728 KB Output is correct
51 Correct 11 ms 9728 KB Output is correct
52 Correct 10 ms 9856 KB Output is correct
53 Correct 13 ms 9600 KB Output is correct
54 Correct 14 ms 10240 KB Output is correct
55 Correct 14 ms 10240 KB Output is correct
56 Correct 49 ms 13576 KB Output is correct
57 Correct 47 ms 14588 KB Output is correct
58 Correct 50 ms 14492 KB Output is correct
59 Correct 49 ms 14448 KB Output is correct
60 Correct 54 ms 14576 KB Output is correct
61 Correct 46 ms 14324 KB Output is correct
62 Correct 48 ms 14704 KB Output is correct
63 Correct 48 ms 14704 KB Output is correct
64 Correct 47 ms 14704 KB Output is correct
65 Correct 52 ms 14476 KB Output is correct
66 Correct 47 ms 14708 KB Output is correct
67 Correct 46 ms 14576 KB Output is correct
68 Correct 56 ms 14704 KB Output is correct
69 Correct 11 ms 9728 KB Output is correct
70 Correct 10 ms 9728 KB Output is correct
71 Correct 49 ms 14704 KB Output is correct
72 Correct 51 ms 14704 KB Output is correct
73 Correct 49 ms 14704 KB Output is correct
74 Correct 11 ms 9728 KB Output is correct
75 Correct 10 ms 9728 KB Output is correct
76 Correct 10 ms 9728 KB Output is correct
77 Correct 10 ms 9728 KB Output is correct
78 Correct 80 ms 19064 KB Output is correct
79 Correct 67 ms 15096 KB Output is correct
80 Correct 75 ms 19832 KB Output is correct
81 Correct 50 ms 14520 KB Output is correct
82 Correct 94 ms 19832 KB Output is correct
83 Correct 82 ms 16760 KB Output is correct
84 Correct 9 ms 9728 KB Output is correct
85 Correct 10 ms 9728 KB Output is correct
86 Correct 10 ms 9728 KB Output is correct
87 Correct 10 ms 9728 KB Output is correct
88 Correct 11 ms 9856 KB Output is correct
89 Correct 10 ms 9856 KB Output is correct
90 Correct 11 ms 9856 KB Output is correct
91 Correct 11 ms 9856 KB Output is correct
92 Correct 11 ms 9856 KB Output is correct
93 Correct 10 ms 9728 KB Output is correct
94 Correct 11 ms 9728 KB Output is correct
95 Correct 11 ms 9728 KB Output is correct
96 Correct 11 ms 9856 KB Output is correct
97 Correct 11 ms 9728 KB Output is correct
98 Correct 11 ms 9728 KB Output is correct
99 Correct 10 ms 9856 KB Output is correct
100 Correct 10 ms 9856 KB Output is correct
101 Correct 16 ms 10624 KB Output is correct
102 Correct 19 ms 10240 KB Output is correct
103 Correct 103 ms 19836 KB Output is correct
104 Correct 116 ms 19832 KB Output is correct
105 Correct 126 ms 17144 KB Output is correct
106 Correct 94 ms 19832 KB Output is correct
107 Correct 74 ms 15224 KB Output is correct
108 Correct 75 ms 15480 KB Output is correct
109 Correct 50 ms 14836 KB Output is correct
110 Correct 47 ms 14704 KB Output is correct
111 Correct 83 ms 19064 KB Output is correct
112 Correct 103 ms 18552 KB Output is correct
113 Correct 75 ms 15096 KB Output is correct
114 Correct 93 ms 19832 KB Output is correct
115 Correct 95 ms 19832 KB Output is correct